... piece mould ,smooth inside and outside, no welds or joints to fail, hard-wearing ,durable, anti-collision;3.Design flexibility-small ... see our specifications .4. Easy to operate , and is convenient to carry.5. They are widely used in many large scale emporiums,public ... . If you are interested in this kind of products,and want to find rotational mould in China,pls feel free to contact us for more ...